806089685 has 16 divisors (see below), whose sum is σ = 984512880. Its totient is φ = 633431040.

The previous prime is 806089679. The next prime is 806089729. The reversal of 806089685 is 586980608.

It can be written as a sum of positive squares in 8 ways, for example, as 377019889 + 429069796 = 19417^2 + 20714^2 .

It is a de Polignac number, because none of the positive numbers 2^k-806089685 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307661 + ... + 310269.

It is an arithmetic number, because the mean of its divisors is an integer number (61532055).

Almost surely, 2^806089685 is an apocalyptic number.

It is an amenable number.

806089685 is a deficient number, since it is larger than the sum of its proper divisors (178423195).

806089685 is a wasteful number, since it uses less digits than its factorization.

806089685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 806089685 is about 28391.7185989154. The cubic root of 806089685 is about 930.6672996289.

The spelling of 806089685 in words is "eight hundred six million, eighty-nine thousand, six hundred eighty-five".